"'First of all,' Carol replied 'we here in 2150 do not believe in the ancient concept of teaching where students passively absorbed or blocked out what a teacher was desperately trying to give them. We, therefore, have no teachers.
'We believe learning to be an active process where one person reaches out and takes knowledge stimulated by his interaction with a resource person.'
'So you feel knowledge can only be taken, not given,' I summarized.
'Yes, Now, to answer your question, resource persons are specialists in learning areas such as agriculture, ecology, or bio-physics, for example, while Personal Evolution tutors deal with all learning and all human problems.'"
Source: From the book, 2150 A.D. written in 1976 by Thea Alexander, page 135.